Practice

What is the value of the expression -9.23 + 4.204?

• 5.026

• -13.434

• -5.026

• 13.434

What is the value of the expression -17.03 + (-17.204)?

• -0.174

• -34.234

• 0.174

• 34.234

What is the value of the expression -34.23 – (-23.306)?

• -10.924

• 10.924

• -57.536

• 57.536

Carlos traveled at an average speed of 70 miles per hour for 2.5 hours and then traveled at an average speed of 80 miles per hour for 3.5 hours. What was the total distance in miles that Carlos traveled during that time?

• A. 385

• B. 490

• C. 455

• D. 495

Stephanie can run 5 miles in 45 minutes. How long will it take her to run 10 miles?

• 90 min

• 60 min

• 75 min

• 180 min

The ratio of boys to girls in Mrs. Reiter’s music class is 2 to 3. There are 24 girls in the class. What is the total number of students in Mrs. Reiter’s music class?

• 16

• 24

• 40

• 42

The table shows the data recorded from a survey that asks people how much their dog weighs and the amount of food they feed their dog. What is the constant of proportionality equation that relates the weight of the dog, y, to the number of scoops of food, x?

• y =1.5x

• y =2x

• y =4.5x

• y =3x

What is the constant of the proportionality equation for the table?

• y =8x

• y =-25x

• y =-5x

Jenny turned the bowl upside down and used it to draw a circle. Which of the following is closest to the area of the circle that Jenny drew?

• 7.85 in²

• 11.57 in²

• 15.7 in²

• 19.625 in²

The diagram below shows the diameter of a slice of kiwi. Which of the following is closest to the circumference of the slice of kiwi?

• 17.27 inches

• 5.94 inches

• 8.635 inches

• 4.8 inches